java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label09_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:30:25,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:30:25,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:30:25,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:30:25,919 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:30:25,920 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:30:25,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:30:25,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:30:25,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:30:25,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:30:25,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:30:25,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:30:25,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:30:25,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:30:25,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:30:25,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:30:25,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:30:25,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:30:25,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:30:25,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:30:25,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:30:25,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:30:25,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:30:25,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:30:25,943 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:30:25,944 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:30:25,945 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:30:25,946 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:30:25,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:30:25,948 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:30:25,948 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:30:25,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:30:25,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:30:25,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:30:25,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:30:25,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:30:25,951 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:30:25,981 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:30:25,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:30:25,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:30:25,982 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:30:25,982 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:30:25,983 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:30:25,983 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:30:25,983 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:30:25,983 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:30:25,983 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:30:25,983 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:30:25,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:30:25,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:30:25,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:30:25,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:30:25,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:30:25,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:30:25,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:30:25,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:30:25,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:30:25,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:30:25,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:30:25,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:30:25,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:30:25,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:30:25,991 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:30:25,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:30:25,991 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:30:25,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:30:25,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:30:25,992 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:30:25,992 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:30:25,992 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:30:26,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:30:26,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:30:26,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:30:26,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:30:26,064 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:30:26,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label09_true-unreach-call.c [2018-09-15 11:30:26,406 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786f2b5e/be609a4b2df5469dbcac976afcd86d3c/FLAG960c412d6 [2018-09-15 11:30:26,761 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:30:26,762 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label09_true-unreach-call.c [2018-09-15 11:30:26,776 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786f2b5e/be609a4b2df5469dbcac976afcd86d3c/FLAG960c412d6 [2018-09-15 11:30:26,794 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786f2b5e/be609a4b2df5469dbcac976afcd86d3c [2018-09-15 11:30:26,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:30:26,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:30:26,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:30:26,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:30:26,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:30:26,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:30:26" (1/1) ... [2018-09-15 11:30:26,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1234d9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:26, skipping insertion in model container [2018-09-15 11:30:26,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:30:26" (1/1) ... [2018-09-15 11:30:26,835 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:30:27,529 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:30:27,547 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:30:27,723 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:30:27,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27 WrapperNode [2018-09-15 11:30:27,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:30:27,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:30:27,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:30:27,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:30:27,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:27,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:27,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:30:27,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:30:27,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:30:27,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:30:28,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... [2018-09-15 11:30:28,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:30:28,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:30:28,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:30:28,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:30:28,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:30:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:30:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:30:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:30:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:30:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:30:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:30:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:30:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:30:32,807 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:30:32,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:30:32 BoogieIcfgContainer [2018-09-15 11:30:32,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:30:32,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:30:32,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:30:32,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:30:32,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:30:26" (1/3) ... [2018-09-15 11:30:32,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b7002e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:30:32, skipping insertion in model container [2018-09-15 11:30:32,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:27" (2/3) ... [2018-09-15 11:30:32,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b7002e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:30:32, skipping insertion in model container [2018-09-15 11:30:32,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:30:32" (3/3) ... [2018-09-15 11:30:32,817 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label09_true-unreach-call.c [2018-09-15 11:30:32,828 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:30:32,839 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:30:32,899 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:30:32,899 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:30:32,900 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:30:32,900 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:30:32,900 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:30:32,900 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:30:32,901 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:30:32,901 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:30:32,901 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:30:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 11:30:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-15 11:30:32,961 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:30:32,962 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:30:32,963 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:30:32,969 INFO L82 PathProgramCache]: Analyzing trace with hash -662645095, now seen corresponding path program 1 times [2018-09-15 11:30:32,971 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:30:32,972 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-09-15 11:30:32,975 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 11:30:33,049 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:30:33,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:30:36,727 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:30:36,729 INFO L272 AbstractInterpreter]: Visited 72 different actions 72 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 11:30:36,746 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:30:38,009 INFO L232 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 75.88% of their original sizes. [2018-09-15 11:30:38,010 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:30:38,384 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:30:38,385 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:30:38,386 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:30:38,386 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:30:38,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:30:38,402 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:30:38,403 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:30:38,405 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 11:30:44,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:30:44,945 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 11:30:44,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:30:44,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-09-15 11:30:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:30:44,968 INFO L225 Difference]: With dead ends: 776 [2018-09-15 11:30:44,969 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 11:30:44,977 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:30:44,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 11:30:45,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 11:30:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 11:30:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 11:30:45,067 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 73 [2018-09-15 11:30:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:30:45,068 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 11:30:45,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:30:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 11:30:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-15 11:30:45,079 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:30:45,080 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:30:45,080 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:30:45,080 INFO L82 PathProgramCache]: Analyzing trace with hash 898060913, now seen corresponding path program 1 times [2018-09-15 11:30:45,081 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:30:45,081 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-15 11:30:45,081 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:30:45,090 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:30:45,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:30:51,855 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:31:53,499 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:31:53,499 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:31:53,541 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:32:11,411 INFO L232 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 74.2% of their original sizes. [2018-09-15 11:32:11,412 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:32:14,668 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:32:14,668 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:32:14,668 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:32:14,669 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:32:14,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:32:14,671 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:32:14,671 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:32:14,672 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-15 11:32:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:32:25,788 INFO L93 Difference]: Finished difference Result 957 states and 1541 transitions. [2018-09-15 11:32:25,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:32:25,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2018-09-15 11:32:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:32:25,795 INFO L225 Difference]: With dead ends: 957 [2018-09-15 11:32:25,795 INFO L226 Difference]: Without dead ends: 674 [2018-09-15 11:32:25,800 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 119 SyntacticMatches, 61 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:32:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-09-15 11:32:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2018-09-15 11:32:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-09-15 11:32:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2018-09-15 11:32:25,847 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 190 [2018-09-15 11:32:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:32:25,848 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2018-09-15 11:32:25,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:32:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2018-09-15 11:32:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-15 11:32:25,857 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:32:25,857 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:32:25,858 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:32:25,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2030972197, now seen corresponding path program 1 times [2018-09-15 11:32:25,858 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:32:25,860 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-09-15 11:32:25,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:32:25,867 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:32:25,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:33:01,015 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:33:01,016 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:33:01,024 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:33:18,935 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 74.14% of their original sizes. [2018-09-15 11:33:18,936 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:33:21,702 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:33:21,703 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:33:21,703 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:33:21,703 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:33:21,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:33:21,705 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:33:21,705 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:33:21,706 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand 11 states. [2018-09-15 11:33:33,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:33:33,868 INFO L93 Difference]: Finished difference Result 1149 states and 1747 transitions. [2018-09-15 11:33:33,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:33:33,871 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2018-09-15 11:33:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:33:33,880 INFO L225 Difference]: With dead ends: 1149 [2018-09-15 11:33:33,880 INFO L226 Difference]: Without dead ends: 866 [2018-09-15 11:33:33,886 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 129 SyntacticMatches, 61 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:33:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-09-15 11:33:33,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 861. [2018-09-15 11:33:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 11:33:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1092 transitions. [2018-09-15 11:33:33,940 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1092 transitions. Word has length 200 [2018-09-15 11:33:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:33:33,941 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1092 transitions. [2018-09-15 11:33:33,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:33:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1092 transitions. [2018-09-15 11:33:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-15 11:33:33,944 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:33:33,945 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:33:33,945 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:33:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2008994851, now seen corresponding path program 1 times [2018-09-15 11:33:33,946 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:33:33,946 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-09-15 11:33:33,946 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:33:33,952 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:33:33,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:34:08,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:34:08,855 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:34:08,859 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:34:24,256 INFO L232 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 74.17% of their original sizes. [2018-09-15 11:34:24,256 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:34:27,474 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:34:27,474 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:34:27,474 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 11:34:27,474 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:34:27,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 11:34:27,475 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 11:34:27,475 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-15 11:34:27,476 INFO L87 Difference]: Start difference. First operand 861 states and 1092 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 11:34:45,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 11:34:45,470 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:34:45,475 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:34:45,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:34:45 BoogieIcfgContainer [2018-09-15 11:34:45,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:34:45,476 INFO L168 Benchmark]: Toolchain (without parser) took 258670.75 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,478 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 11:34:45,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,480 INFO L168 Benchmark]: Boogie Preprocessor took 450.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -936.3 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,481 INFO L168 Benchmark]: RCFGBuilder took 4426.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 175.1 MB). Peak memory consumption was 175.1 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,482 INFO L168 Benchmark]: TraceAbstraction took 252666.18 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -339.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-15 11:34:45,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 981.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 138.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 450.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -936.3 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4426.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 175.1 MB). Peak memory consumption was 175.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252666.18 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -339.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 204]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 204). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 15 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (1211 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 252.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 47.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1117 SDtfs, 3559 SDslu, 1217 SDs, 0 SdLazy, 8412 SolverSat, 821 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 43.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 691 GetRequests, 448 SyntacticMatches, 183 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 142.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.995069410732061 AbsIntWeakeningRatio, 0.125 AbsIntAvgWeakeningVarsNumRemoved, 146.72590361445782 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label09_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-34-45-501.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label09_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-34-45-501.csv Completed graceful shutdown